11864905026238 has 64 divisors (see below), whose sum is σ = 19940562335232. Its totient is φ = 5248199537280.

The previous prime is 11864905026211. The next prime is 11864905026239. The reversal of 11864905026238 is 83262050946811.

11864905026238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864905026239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282389320 + ... + 282431332.

It is an arithmetic number, because the mean of its divisors is an integer number (311571286488).

Almost surely, 2^{11864905026238} is an apocalyptic number.

11864905026238 is a deficient number, since it is larger than the sum of its proper divisors (8075657308994).

11864905026238 is a wasteful number, since it uses less digits than its factorization.

11864905026238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43169.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 11864905026238 in words is "eleven trillion, eight hundred sixty-four billion, nine hundred five million, twenty-six thousand, two hundred thirty-eight".